CVE-2026-53777

Perry before 0.5.1159 contains a path traversal vulnerability that allows a malicious build server to write arbitrary content to any location writable by the running process by supplying unsanitized path components in the artifact_name field of ArtifactReady WebSocket messages. Attackers controlling the server URL can deliver traversal payloads through the artifact_name or download_path fields, causing the client to overwrite sensitive files or expose arbitrary local files to an attacker-accessible location.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/PerryTS/perry/commit/95e1043df8081f67038bffce847dd9ddb3dae046
https://github.com/PerryTS/perry/pull/4989
https://github.com/PerryTS/perry/releases/tag/v0.5.1159
https://github.com/PerryTS/perry/security/advisories/GHSA-x55v-q459-68ch
https://www.vulncheck.com/advisories/perry-path-traversal-via-artifactready-websocket
https://github.com/PerryTS/perry/security/advisories/GHSA-x55v-q459-68ch

Configurations

No configuration.

History

11 Jun 2026, 17:16

Type	Values Removed	Values Added
References	~~() https://github.com/PerryTS/perry/security/advisories/GHSA-x55v-q459-68ch -~~	() https://github.com/PerryTS/perry/security/advisories/GHSA-x55v-q459-68ch -

11 Jun 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-11 16:16

Updated : 2026-06-11 17:16

NVD link : CVE-2026-53777

Mitre link : CVE-2026-53777

CVE.ORG link : CVE-2026-53777

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

{"id": "CVE-2026-53777", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.6, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-06-11T16:16:24.873", "references": [{"url": "https://github.com/PerryTS/perry/commit/95e1043df8081f67038bffce847dd9ddb3dae046", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/PerryTS/perry/pull/4989", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/PerryTS/perry/releases/tag/v0.5.1159", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/PerryTS/perry/security/advisories/GHSA-x55v-q459-68ch", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/perry-path-traversal-via-artifactready-websocket", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/PerryTS/perry/security/advisories/GHSA-x55v-q459-68ch", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Received", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "Perry before 0.5.1159 contains a path traversal vulnerability that allows a malicious build server to write arbitrary content to any location writable by the running process by supplying unsanitized path components in the artifact_name field of ArtifactReady WebSocket messages. Attackers controlling the server URL can deliver traversal payloads through the artifact_name or download_path fields, causing the client to overwrite sensitive files or expose arbitrary local files to an attacker-accessible location."}], "lastModified": "2026-06-11T17:16:35.703", "sourceIdentifier": "disclosure@vulncheck.com"}